Measure-preserving transformation
= Measure-preserving transformation
{title2=$T$}
{wiki}
A measurable transformation $T:X\to X$ preserves a measure $\mu$ when $\mu(T^{-1}A)=\mu(A)$ for every measurable set $A$.
= Measure-preserving transformation
{title2=$T$}
{wiki}
A measurable transformation $T:X\to X$ preserves a measure $\mu$ when $\mu(T^{-1}A)=\mu(A)$ for every measurable set $A$.